Disposable solid hemostatic material pusher

Abstract

The utility model discloses a kind of disposable solid hemostatic material pusher, including medicine storage pipe, the end part of the medicine storage pipe is provided for the quick output of solid hemostatic material and is discharged from medicine structure, the side of the medicine storage pipe is provided with limiting portion, piston pad is provided in the medicine storage pipe, the side of the movable pad is provided with piston rod, the end part of the piston rod is provided with push disc;The medicine structure includes flat mouth medicine outlet, the flat mouth medicine outlet is arranged at the end part of medicine storage pipe, sealing film is also arranged in the flat mouth medicine outlet, arc-shaped introduction part is also arranged at the joint of the flat mouth medicine outlet and medicine pipe;The side in the medicine storage pipe is also provided with buckle structure for positioning piston rod.This utility model can quickly transport solid hemostatic material, and the wound of through wound is quickly hemostatic, while it can guarantee the sealing storage of solid hemostatic material, and guarantee the stability of piston rod, reduce the mistake push loss in carrying process, convenient to carry.

Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, specifically relating to a disposable solid hemostatic material injector. Background Technology

[0002] Solid hemostatic materials are an effective method of hemostasis, widely used in surgery and daily life due to their good hemostatic effect and lack of toxic side effects on the human body. Solid hemostatic materials contain small hemostatic particles, each with a particle size of approximately 2.5-3 mm. They are typically used in combat to quickly stop bleeding from penetrating wounds.

[0003] The dispensing section of current hemostatic material pushers is curved, which makes it impossible to quickly deliver solid hemostatic material during the dispensing process. This makes it inconvenient to quickly stop bleeding in penetrating wounds. At the same time, existing pushers cannot lock the injection structure, which can easily cause the injection structure to move during carrying, resulting in leakage of hemostatic material and waste of medication.

[0004] In order to solve the above-mentioned technical problems, those skilled in the art urgently need to study a disposable solid hemostatic material injector. Summary of the Invention

[0005] The purpose of this invention is to provide a disposable solid hemostatic material injector to solve the problems mentioned in the background art. The current hemostatic material injectors all have an arc-shaped dispensing section, which makes it impossible to quickly output solid hemostatic material during the dispensing process. This makes it inconvenient to quickly stop bleeding from penetrating wounds. At the same time, the injecting structure cannot be locked, and the injecting structure is prone to movement during carrying, causing leakage of hemostatic material and waste of medicine.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A disposable solid hemostatic material injector includes a drug reservoir tube, the end of which is provided with a dispensing structure for rapid dispensing of solid hemostatic material, a limiting part is provided on one side of the drug reservoir tube, a piston pad is provided inside the drug reservoir tube, a piston rod is provided on one side of the movable pad, and a push plate is provided at the end of the piston rod. The drug dispensing structure includes a flat-mouthed drug dispensing port, which is located at the end of the drug storage tube. A sealing film is also provided inside the flat-mouthed drug dispensing port, and an arc-shaped inlet is provided at the connection between the flat-mouthed drug dispensing port and the drug dispensing tube. The drug storage tube also has a snap-fit ​​structure on one side for positioning the piston rod.

[0007] In one embodiment, the buckle structure is a connecting buckle, which is uniformly arranged in a ring on one side of the medicine storage tube, and one end of the connecting buckle is connected to the piston rod. During the carrying process, the piston rod can be fixed, ensuring the stability of the piston rod during the carrying process and reducing accidental push damage during the carrying process.

[0008] In one embodiment, a tear is provided at the connection between the connecting buckle and the piston rod. The tear is used to break the connecting buckle when the piston rod is pushed, and the connecting buckle is automatically broken when the piston rod is pressed.

[0009] In one embodiment, the end of the drug storage tube is further provided with a protective cap to protect the sealing film, and the protective cap is detachably provided at the end of the drug storage tube.

[0010] In one embodiment, a groove is provided on one side surface of the protective cover, and a piercing column is provided in the groove to quickly puncture the sealing film.

[0011] In one embodiment, the sealing film is provided with a tear line to facilitate tearing the film.

[0012] In one embodiment, the buckle structure is a positioning buckle, which is symmetrically arranged on the outer surface of the inner shaft. The inner shaft is rotatably arranged inside the piston rod. An adjustment buckle is also provided at the end of the inner shaft. The positioning buckle is movably arranged in the arc-shaped adjustment port, which is located on the outer surface of the piston rod. One end of the positioning buckle can be engaged in the positioning groove. The positioning groove is provided with the inner surface of the annular buckle. The annular buckle is located on one side inside the medicine storage tube, which further improves the stability of the piston rod when it is carried and avoids the situation where the connecting buckle breaks due to compression.

[0013] In one embodiment, a through groove is provided on one side of the annular buckle to allow the positioning buckle to be led out.

[0014] In one embodiment, the adjusting buckle is disposed in a countersunk groove, which is disposed on one side of the push plate. A limiting buckle arranged at a 90° angle is also disposed in the countersunk groove to position the rotation of the adjusting buckle.

[0015] Compared with the prior art, the beneficial effects of this utility model are: (1) The present invention adopts a flat-mouth medicine outlet, which can quickly deliver solid hemostatic material and quickly stop bleeding in penetrating wounds. At the same time, it can ensure that the solid hemostatic material is sealed and stored, making it convenient to use.

[0016] (2) During the carrying process, this utility model can ensure the stability of the piston rod and avoid its movement, which would cause the solid hemostatic material to leak out, making it more convenient to carry. Attached Figure Description

[0017] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0018] Figure 2 This is a schematic diagram of the dispensing structure in one embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of another embodiment of the present utility model.

[0020] Figure 4 for Figure 3 A magnified structural diagram of point A in the middle.

[0021] Figure 5 This is a schematic diagram of the structure of the protective cover in one embodiment of the present invention.

[0022] Figure 6 This is a schematic diagram of the structure of another protective cover in one embodiment of the present utility model.

[0023] Figure 7 This is a schematic diagram of another snap-fit ​​structure in one embodiment of the present invention.

[0024] Figure 8 for Figure 7 A schematic diagram of the front view cross-section structure.

[0025] Figure 9 for Figure 8 A magnified structural diagram of section B.

[0026] Figures 10(a) and 10(b) show the position of the adjusting buckle in the locked state of another buckle structure in this utility model.

[0027] Figures 11(a) and 11(b) show the position of the adjusting buckle when another buckle structure of this utility model is in use.

[0028] Figure 12 This is a schematic diagram of the structure of a sealing film according to an embodiment of the present invention. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figure 1 and Figure 2This utility model provides a disposable solid hemostatic material injector, including a drug storage tube 2, a drug dispensing structure 1 for rapid dispensing of solid hemostatic material at the end of the drug storage tube 2, a limiting part 3 on one side of the drug storage tube 2, a piston pad 6 inside the drug storage tube 2, a piston rod 5 on one side of the movable pad, and a push plate 4 at the end of the piston rod 5.

[0031] The drug dispensing structure 1 includes a flat-mouthed drug dispensing port 13, which is located at the end of the drug storage tube 2. A sealing film 12 is also provided inside the flat-mouthed drug dispensing port 13 to ensure the sealed storage of solid hemostatic material. An arc-shaped inlet 11 is also provided at the connection between the flat-mouthed drug dispensing port 13 and the drug dispensing tube. The arc-shaped inlet 11 facilitates the movement of the device into the wound of a penetrating injury.

[0032] When in use, push the push plate 4, push plate 4 drives piston rod 5 to move, piston rod 5 drives piston pad 6 to move. The movement of piston pad 6, under pressure, tears open the sealing film 12. After tearing, as piston pad 6 moves, the solid hemostatic material in the drug storage tube 2 is quickly delivered and delivered to the penetrating wound through the flat-mouth drug storage port, and fills the penetrating wound to stop bleeding.

[0033] As one embodiment of this utility model, please refer to Figure 3 and Figure 4 A buckle structure is also provided on one side of the medicine storage tube 2. The buckle structure is a connecting buckle 7. The connecting buckle 7 is evenly arranged in a ring on one side of the medicine storage tube, and one end of the connecting buckle 7 is connected to the piston rod 5. During the carrying process, the piston rod 5 can be fixed by the connecting buckle 7, which ensures the stability of the piston rod 5 during the carrying process.

[0034] Furthermore, a tear is provided at the connection between the connecting buckle and the piston rod 5. When the piston rod 5 is pressed, the connecting buckle 7 breaks along the tear under the action of external force, which facilitates the movement of the piston rod 5 and the drug delivery operation.

[0035] In one embodiment, please refer to Figure 5 The end of the medicine storage tube 2 is also provided with a protective cover 21. The protective cover 21 is detachably installed at the end of the medicine storage tube 2. When carrying, the protective cover 21 is sleeved on the end of the medicine storage tube 2 to protect the sealing film 12.

[0036] In one embodiment, please refer to Figure 6 The protective cover 21 is also provided with a groove 22 on one side surface, and a piercing column 23 is provided in the groove 22, which can quickly pierce the sealing film 12.

[0037] As a specific embodiment of this utility model, please refer to Figures 7-9As shown in Figures 10(a), 10(b) and 11(a), 10(b), the buckle structure is a positioning buckle 55, which is symmetrically arranged on the outer surface of the inner shaft 53. The inner shaft 53 is rotatably arranged inside the piston rod 5. An adjustment buckle 52 is also provided at the end of the inner shaft 53. The positioning buckle 55 is movably arranged in the arc-shaped adjustment port 57, which is located on the outer surface of the piston rod 5. One end of the positioning buckle 55 can be snapped into the positioning groove 56. The positioning groove 56 is provided on the inner surface of the annular buckle 54. The annular buckle 54 is located on one side of the medicine storage tube 2, which further improves the stability of the piston rod 5 when it is carried and avoids the situation where the connecting buckle 7 breaks due to compression. A through groove 58 is also provided on one side of the annular buckle 54, which can lead out the positioning buckle 55. The adjustment buckle 52 is located in the countersunk groove 51, which is located on one side of the push plate 4. A limit buckle 59 arranged at a 90° angle is also provided in the countersunk groove 51, which can position the rotation position of the adjustment buckle 52.

[0038] In one embodiment, the sealing film 12 preferably adopts, for example, Figure 12 The structure shown has a sealing film that is easily torn along the crack line under external force, and the film will not remain in the hemostatic material, which improves injection efficiency and the safety of the injector.

[0039] In this embodiment, the adjusting buckle 52 and the positioning buckle 55 are arranged in parallel. When carrying, please refer to Figure 10. Rotating the adjusting buckle 52 clockwise causes the inner shaft 53 to rotate, which in turn causes the positioning buckle 55 to rotate and engage with the positioning groove 56. At this time, the piston rod 5 is fixed by engaging the positioning buckle 55 with the positioning groove 56. When in use, please refer to Figure 11. Rotating the adjusting buckle 52 counterclockwise causes the inner shaft 53 to rotate counterclockwise, which in turn causes the positioning buckle 55 to rotate counterclockwise. When the adjusting buckle 52 is engaged with the limiting buckle 59 in Figures 11(a) and 11(b), the positioning buckle 55 moves to the position of the through groove 58 and then pushes the push plate 4. The plate moves the piston rod 5, which in turn moves the positioning buckle 55 through the through groove 58, thereby moving the piston pad 6 to complete the drug delivery operation.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A disposable solid hemostatic material injector, characterized in that: The device includes a drug reservoir tube, the end of which is provided with a dispensing structure for rapidly dispensing solid hemostatic material. A limiting part is provided on one side of the drug reservoir tube. A piston pad is provided inside the drug reservoir tube. A piston rod is provided on one side of the piston pad. A pusher is provided at the end of the piston rod. The drug dispensing structure includes a flat-mouthed drug dispensing port, which is located at the end of the drug storage tube. A sealing film is also provided inside the flat-mouthed drug dispensing port, and an arc-shaped inlet is provided at the connection between the flat-mouthed drug dispensing port and the drug dispensing tube. The drug storage tube also has a snap-fit ​​structure on one side for positioning the piston rod.

2. The disposable solid hemostatic material injector according to claim 1, characterized in that: The buckle structure is a connecting buckle, which is evenly arranged in a ring on one side of the medicine storage tube, and one end of the connecting buckle is connected to the piston rod.

3. The disposable solid hemostatic material injector according to claim 2, characterized in that: A tear is provided at the connection between the connecting buckle and the piston rod, and the tear is used to break the connecting buckle when the piston rod is pushed.

4. The disposable solid hemostatic material injector according to claim 1, characterized in that: The end of the drug storage tube is also provided with a protective cap to protect the sealing film, and the protective cap is detachably installed at the end of the drug storage tube.

5. The disposable solid hemostatic material injector according to claim 4, characterized in that: A groove is also provided on one side of the protective cover, and a puncture column is also provided in the groove.

6. The disposable solid hemostatic material injector according to claim 4, characterized in that: The sealing film is provided with a tear line to facilitate tearing the film.

7. The disposable solid hemostatic material injector according to claim 1, characterized in that: The buckle structure is a positioning buckle, which is symmetrically arranged on the outer surface of the inner shaft. The inner shaft is rotatably arranged inside the piston rod. An adjustment buckle is also provided at the end of the inner shaft. The positioning buckle is movably arranged in the arc-shaped adjustment port, which is located on the outer surface of the piston rod. One end of the positioning buckle can be snapped into the positioning groove. The positioning groove is provided with an annular buckle inner surface, and the annular buckle is located inside the medicine storage tube.

8. The disposable solid hemostatic material injector according to claim 7, characterized in that: A through groove is also provided on one side of the ring buckle.

9. The disposable solid hemostatic material injector according to claim 7, characterized in that: The adjusting buckle is set in the countersunk groove, which is located on one side of the push plate. A limiting buckle arranged at a 90° angle is also provided in the countersunk groove.

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